December 12, 2006 In this issue: |
 Announcing QualNet Developer 4.0 SNT has completed development on a new major release of QualNet version 4.0. QualNet 4.0 supports state-of-the-art multi-core processors. In order to take advantage of multi-core processors, software applications must execute by means of multiple threads. Today, very few applications are multithreaded, BUT QUALNET IS. QualNet Developer 4.0 by default supports dual-core processors, and customers can upgrade QualNet to support any multiple of 4 processors or cores. Two other notable additions in QualNet 4.0 include network models for broadband wireless access (IEEE 802.16, also known as WiMAX), and urban propagation models. Other new models include the military radios EPLRS and SINCGARS, OLSRv2, DYMO, OSPFv3, cellular models, pedestrian mobility, an SDF Parser, CTDB 7 and 8 terrain formats, and a new QualNet building format for terrain. Additional new features include a new QualNet 3D Visualizer for rich QT-based network animation, as well as usability and performance improvements in the 2D Java Graphical User Interface. The Multi-core Advantage What do dual-core and multi-core processors buy you in terms of execution speed? Check out the graph below, which shows how QualNet 4.0 performed on 3 different platforms. All dual- and multi-core trials were faster than real-time.
The simulation was an 802.11b wireless scenario running 700 nodes with terrain-based propagation, random mobility at 30m/s, and AODV routing. The simulation time was 900 s. Traffic through the network consisted of 625 CBR sessions sending 512-byte packets at 1-second intervals. There was no parallel optimization by means of processor partitioning, and with some optimization, additional speedup could be realized. QualNet executes on shared memory architectures like those described above, and also on distributed architectures such as clusters. more on QualNet's parallel execution capability. more information on QualNet 4.0
Following is a list of new SNT customers.
 QualNet 4.0 Training in Los Angeles, SNT will hold training on QualNet 4.0 January 23-25, 2007 in Los Angeles, CA. Register by Tuesday, January 9th to secure your seat. Cost: $1895. Location: SNT Headquarters in Los Angeles
 Webinar December 14th on QualNet 4.0 SNT will hold a 1-hour online seminar, or webinar, that will show people what's new in QualNet 4.0. The webinar will take place at 10:00 am PST on December 14, 2006. Cost: Free More information and online registration
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